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PE20060536A1 - METHOD AND APPARATUS FOR USING IMAGE TRANSMISSION SPEED CONVERSION TECHNIQUES IN SCALABLE VIDEO CODING - Google Patents

METHOD AND APPARATUS FOR USING IMAGE TRANSMISSION SPEED CONVERSION TECHNIQUES IN SCALABLE VIDEO CODING

Info

Publication number
PE20060536A1
PE20060536A1 PE2005000769A PE2005000769A PE20060536A1 PE 20060536 A1 PE20060536 A1 PE 20060536A1 PE 2005000769 A PE2005000769 A PE 2005000769A PE 2005000769 A PE2005000769 A PE 2005000769A PE 20060536 A1 PE20060536 A1 PE 20060536A1
Authority
PE
Peru
Prior art keywords
image
fruc
images
layer
cost
Prior art date
Application number
PE2005000769A
Other languages
Spanish (es)
Inventor
Vijayalakshmi R Raveendran
Gordon Kent Walker
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of PE20060536A1 publication Critical patent/PE20060536A1/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103Selection of coding mode or of prediction mode
    • H04N19/109Selection of coding mode or of prediction mode among a plurality of temporal predictive coding modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/132Sampling, masking or truncation of coding units, e.g. adaptive resampling, frame skipping, frame interpolation or high-frequency transform coefficient masking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136Incoming video signal characteristics or properties
    • H04N19/137Motion inside a coding unit, e.g. average field, frame or block difference
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/146Data rate or code amount at the encoder output
    • H04N19/147Data rate or code amount at the encoder output according to rate distortion criteria
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/19Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding using optimisation based on Lagrange multipliers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/31Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the temporal domain
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/567Motion estimation based on rate distortion criteria
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/503Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
    • H04N19/51Motion estimation or motion compensation
    • H04N19/577Motion compensation with bidirectional frame interpolation, i.e. using B-pictures
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/50Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
    • H04N19/587Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal sub-sampling or interpolation, e.g. decimation or subsequent interpolation of pictures in a video sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Systems (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)

Abstract

DONDE EL METODO COMPRENDE: a) DIVIDIR EL FLUJO DE VIDEO EN UNA CAPA PRINCIPAL QUE TIENE MULTIPLES IMAGENES DE CAPA PRINCIPAL, Y UNA CAPA INTERPOLADA QUE TIENE MULTIPLES IMAGENES DE CAPA INTERPOLADA; b) INTERPOLAR UNA IMAGEN DE CONVERSION DE VELOCIDAD DE TRANSMISION DE IMAGENES (FRUC); Y, c) CODIFICAR LAS MULTIPLES IMAGENES DE CAPA PRINCIPAL EN LA CAPA PRINCIPAL CON LA AYUDA DE LA IMAGEN FRUC INTERPOLADA, REALIZANDO UN PROCESO DE SELECCION DE MODO DE UN MACROBLOQUE DE UNA IMAGEN DE CAPA INTERPOLADA EN LAS MULTIPLES IMAGENES DE CAPA INTERPOLADA. LA IMAGEN FRUC DEPENDE DE UNA IMAGEN ACTUAL RECONSTRUIDA Y DE UNA IMAGEN PREVIA GUARDADA. (b) SE DA EN EL MISMO MOMENTO QUE (c). EL APARATO INCLUYE MEDIOS PARA (a), (b) Y (c). SE DESCRIBE UN MEDIO LEGIBLE POR COMPUTADORA QUE TIENE INSTRUCCIONES GUARDADAS EN EL MISMO EJECUTADAS POR UN PROCESADOR QUE REALIZA DICHO METODO; Y UN PROCESADOR CODIFICADOR DE VIDEO, QUE RECIBE UN FLUJO DE VIDEO, COMPRENDE: i) UN MODULO FRUC QUE GENERA IMAGENES FRUC A PARTIR DEL FLUJO DE VIDEO RECIBIDO; ii) UN MODULO DE CALCULO DE COSTO DE DISTORSION DE VELOCIDAD (RD_COST), UNIDO A (i), QUE RECIBE LAS MULTIPLES IMAGENES FRUC Y CALCULA UN RD_COST DE MACROBLOQUE DE IMAGEN F EN BASE A UN MACROBLOQUE EN UNA DE LAS MULTIPLES IMAGENES FRUC; Y iii) UN MODULO DE DECISION DE MODO UNIDO A (ii), PARA COMPARAR EL RD_COST CALCULADO CON UN RD_COST DE MACROBLOQUE DE IMAGEN BWHERE THE METHOD INCLUDES: a) DIVIDING THE VIDEO STREAM INTO A MAIN LAYER THAT HAS MULTIPLE MAIN LAYER IMAGES, AND AN INTERPOLATED LAYER HAVING MULTIPLE INTERPOLATED LAYER IMAGES; b) INTERPOLATE AN IMAGE TRANSMISSION SPEED CONVERSION IMAGE (FRUC); AND, c) CODE THE MULTIPLE MAIN LAYER IMAGES INTO THE MAIN LAYER WITH THE HELP OF THE INTERPOLATED FRUC IMAGE, PERFORMING A MODE SELECTION PROCESS OF A MACROBLOCK OF A LAYER IMAGE INTERPOLATED IN THE MULTIPLE INTERPOLED LAYER IMAGE. THE FRUC IMAGE DEPENDS ON A CURRENT REBUILT IMAGE AND A PREVIOUS SAVED IMAGE. (b) IT IS GIVEN AT THE SAME TIME AS (c). THE DEVICE INCLUDES MEANS FOR (a), (b) AND (c). A COMPUTER-READABLE MEDIA IS DESCRIBED THAT HAS INSTRUCTIONS SAVED IN IT, EXECUTED BY A PROCESSOR THAT PERFORMS SAID METHOD; AND A VIDEO ENCODER PROCESSOR, WHICH RECEIVES A VIDEO STREAM, INCLUDES: i) A FRUC MODULE THAT GENERATES FRUC IMAGES FROM THE RECEIVED VIDEO STREAM; ii) A SPEED DISTORTION COST CALCULATION MODULE (RD_COST), UNITED TO (i), WHICH RECEIVES THE MULTIPLE FRUC IMAGES AND CALCULATES A RD_COST OF IMAGE MACROBLOCK F BASED ON A MACROBLOCK IN ONE OF THE MULTIPLE FRUC IMAGES; AND iii) A MODE DECISION MODULE UNITED TO (ii), TO COMPARE THE CALCULATED RD_COST WITH AN IMAGE B MACROBLOCK RD_COST

PE2005000769A 2004-07-01 2005-07-01 METHOD AND APPARATUS FOR USING IMAGE TRANSMISSION SPEED CONVERSION TECHNIQUES IN SCALABLE VIDEO CODING PE20060536A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US58515404P 2004-07-01 2004-07-01
US66581605P 2005-03-22 2005-03-22

Publications (1)

Publication Number Publication Date
PE20060536A1 true PE20060536A1 (en) 2006-06-28

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Country Status (15)

Country Link
US (1) US8948262B2 (en)
EP (1) EP1774779A2 (en)
JP (2) JP5038134B2 (en)
KR (2) KR20070053212A (en)
CN (1) CN101010964B (en)
AR (1) AR049454A1 (en)
AU (1) AU2005262409A1 (en)
BR (1) BRPI0512816A (en)
CA (1) CA2572605C (en)
IL (1) IL180444A0 (en)
MX (1) MX2007000254A (en)
PE (1) PE20060536A1 (en)
RU (1) RU2370909C2 (en)
TW (1) TWI392374B (en)
WO (1) WO2006007527A2 (en)

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